Respuesta :

Answer:

[tex]j^4k[/tex]

Step-by-step explanation:

[tex]3j^4k-2jk^3+jk^3-2j^4k+jk^2\\2j^4k-2j^4k-2jk^3+jk^3+jk^3\\j^4k[/tex]

Answer:

4

Step-by-step explanation:

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